This is a very simple installation of XEN visualization that I will be using in future posts as a reference.
# yum groupinstall Virtualization
Edit grub.conf to reflect the correct default Kernel
# vi /etc/grub.conf
# grub.conf generated by anaconda
#
# Note that you do not have to rerun grub after making changes to this file
# NOTICE: You have a /boot partition. This means that
# all kernel and initrd paths are relative to /boot/, eg.
# root (hd0,0)
# kernel /vmlinuz-version ro root=/dev/VolGroup00/LogVol00
# initrd /initrd-version.img
#boot=/dev/sda
default=0
timeout=1
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-92.1.10.el5xen)
root (hd0,0)
kernel /xen.gz-3.3.0
module /vmlinuz-2.6.18-92.1.10.el5xen ro root=/dev/VolGroup00/LogVol00
module /initrd-2.6.18-92.1.10.el5xen.img
title CentOS (2.6.18-92.1.10.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-92.1.10.el5 ro root=/dev/VolGroup00/LogVol00
initrd /initrd-2.6.18-92.1.10.el5.img
title CentOS (2.6.18-92.el5)
root (hd0,0)
kernel /vmlinuz-2.6.18-92.el5 ro root=/dev/VolGroup00/LogVol00
initrd /initrd-2.6.18-92.el5.img
Reboot the machine for new XEN kernel to take effect
# reboot
After the reboot check the Kernel to reflect the change
# uname -r
2.6.18-53.1.21.el5xen
Install a CentOS 32 bit Virtual Machine using virt-install and your local YUM repository
# virt-install -p --location= --noautoconsole \
--name=machine --ram=284 --file=/path/to/machine.img --file-size=5 --nographics -b xenbr0
Some useful commands
# xm list
# xm create vmmachine
# xm console vmmachine
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